<thead id="g9kde"></thead>

          <thead id="g9kde"></thead>
        1. Weinan Huifeng New Material Technology Co., Ltd.

          1-Hydroxybenzotriazole

          1-Hydroxybenzotriazole

          Chemical name: 1-Hydroxybenzotrizole
          CAS NO.: 2592-95-2
          Molecular formula: C6H5N3O
          Molecular weight: 135.13
          Structural formula:
          Properties: almost white crystal, purity 99%

          Packaging: 25㎏ fiber can lined with double layer plastic bag

          To use: polypeptide condensating agent


          【Return】
          视频精品免费无码黄,国产老肥熟女精品视频,中文字幕av高潮,日韩精品中文字幕在线观
          <thead id="g9kde"></thead>

                <thead id="g9kde"></thead>